A novel risk stratification system “Angiographic GRACE Score” for predicting in-hospital mortality of patients with acute myocardial infarction: Data from the K-ACTIVE Registry

Takanobu Mitarai, Yasuhiro Tanabe, Yoshihiro J. Akashi, Atsuo Maeda, Junya Ako, Yuji Ikari, Toshiaki Ebina, Atsuo Namiki, Kazuki Fukui, Ichiro Michishita, Kazuo Kimura, Hiroshi Suzuki